they're asking nurses to take lower pay for special shifts and pay more for healthcare. >> in some cases doubled and in other cases tripled the percentage nurses would have to pay for their health insurance premium. >> the hospital is aufrg a 2% rate over two years. the nurses want 10%. they say their wages from 47 to $70 an hour are lower than nurses' pay at other bay area hospitals. >> it offends me. it's a shame that they are asking the nursing force, the force that drives this hospital to take reductions and sacrifice patient safety at the bedside. >> a hospital spokeswoman says patient care is not suffering during the strike. the hospital brought in about 150 replacement nurses from around the nation to cover 173 patients this morning. >> we made sure that we had enough nurses to take care of the number of patients that we both anticipate and are currently in the hospital. >> hospital negotiators say they're worried about the future health of the hospital. the affordable healthcare act will mean lower medicare reimbursements. >> all we can do is try to guess what the cuts may be or